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Why in Java 8 split sometimes removes empty strings at start of result array?
...d Java 8. The code is retrieved from grepcode, for version 7u40-b43 and 8-b132.
Java 7
public String[] split(CharSequence input, int limit) {
int index = 0;
boolean matchLimited = limit > 0;
ArrayList<String> matchList = new ArrayList<>();
Matcher m = matcher(input);...
Booleans, conditional operators and autoboxing
...l() method affects the static typing of the expressions at compile time:
E1: `true ? returnsNull() : false` - boolean (auto-unboxing 2nd operand to boolean)
E2: `true ? null : false` - Boolean (autoboxing of 3rd operand to Boolean)
See Java Language Specification, section 15.25 Conditional Opera...
Regex to remove all (non numeric OR period)
...
169
This should do it:
string s = "joe ($3,004.50)";
s = Regex.Replace(s, "[^0-9.]", "");
...
JavaScript get window X/Y position for scroll
...
The method jQuery (v1.10) uses to find this is:
var doc = document.documentElement;
var left = (window.pageXOffset || doc.scrollLeft) - (doc.clientLeft || 0);
var top = (window.pageYOffset || doc.scrollTop) - (doc.clientTop || 0);
That is:
...
How can I check if a URL exists via PHP?
...ders = @get_headers($file);
if(!$file_headers || $file_headers[0] == 'HTTP/1.1 404 Not Found') {
$exists = false;
}
else {
$exists = true;
}
From here and right below the above post, there's a curl solution:
function url_exists($url) {
return curl_init($url) !== false;
}
...
How to use jQuery in chrome extension?
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128
You have to add your jquery script to your chrome-extension project and to the background sect...
What is the difference between Gemfile and Gemfile.lock in Ruby on Rails
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163
The Gemfile is where you specify which gems you want to use, and lets you specify which versio...
How to trace the path in a Breadth-First Search?
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197
+50
You sho...
How to add a ScrollBar to a Stackpanel
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164
Put it into a ScrollViewer.
...